551872470 has 16 divisors (see below), whose sum is σ = 1324494000. Its totient is φ = 147165984.

The previous prime is 551872463. The next prime is 551872471. The reversal of 551872470 is 74278155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551872471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9197845 + ... + 9197904.

It is an arithmetic number, because the mean of its divisors is an integer number (82780875).

Almost surely, 2^551872470 is an apocalyptic number.

551872470 is an abundant number, since it is smaller than the sum of its proper divisors (772621530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551872470 is a wasteful number, since it uses less digits than its factorization.

551872470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18395759.

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 551872470 is about 23491.9660735325. The cubic root of 551872470 is about 820.2500080431.

The spelling of 551872470 in words is "five hundred fifty-one million, eight hundred seventy-two thousand, four hundred seventy".